Securing Gmail accounts purchased from others is crucial to ensure long-term access and protect them from being reclaimed by the original owner or compromised by others. Here are the steps to secure such accounts ( You should complete at least step 1 & step 2)

1. Change the Password

• Log in to the Gmail account and immediately change the password to something strong and unique.
• Use a combination of:
  • Uppercase and lowercase letters.
  • Numbers.
  • Special characters.

2. Update Recovery Information

• Go to Google Account Settings → Security → Ways we can verify it’s you.
• Change or add:
  • Recovery email: Replace it with an email address you own.
  • Recovery phone number: Add a phone number you control.

3. Review and Remove Linked Devices

• Go to Google Account Settings → Security → Your devices.
• Check for suspicious devices and remove any that aren’t yours.

4. Check and Revoke App Access

• Go to Google Account Settings → Security → Third-party apps with account access.
• Remove access for any unfamiliar apps or services.

5. Review Forwarding and Filters

• Open Gmail → Settings → See all settings → Forwarding and POP/IMAP.
• Ensure there are no unknown forwarding rules or email filters that send messages to another address.

6. Enable Two-Factor Authentication (2FA)

• Go to Google Account Settings → Security → 2-Step Verification.
• Set up 2FA using:
  • A phone number for SMS verification.
  • An authentication app like Google Authenticator or Authy for extra security.